Testing the adaptive value of circadian systems.

Johnson CH
Methods Enzymol. 2005 393: 818-37

PMID: 15817326 · DOI:10.1016/S0076-6879(05)93043-7

Circadian clocks are thought to enhance reproductive fitness. However, most of the evidence that supports the adaptiveness of clocks is not rigorous and falls into the category of "adaptive storytelling." Approaches that an evolutionary biologist would consider appropriate to address this issue are described along with an analysis of the evidence-past and present-that has been evoked to demonstrate the adaptive value of circadian systems.

MeSH Terms (14)

Adaptation, Physiological Animals Biological Clocks Chlamydomonas Circadian Rhythm Cyanobacteria Drosophila Evolution, Molecular Female Male Sciuridae Sexual Behavior, Animal Suprachiasmatic Nucleus Ultraviolet Rays

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